INFRASTRUCTURE

HS2 construction gathers pace as second TBM sets off underneath London

Second TBM starts journey under UK capital as part of major high-speed rail infrastructure project

Named after 18th-century astronomer Caroline Herschel, the TBM will now dig for 22 months, non-stop except for Christmas Day, towards Greenpark way in Greenford - boring five miles of the twin-bore Northolt...

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